package com.zwan.oam_rtc.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * Created by ZD on 2017/6/21.
 * 设置Sping的上下文
 */

@Component
public class ApplicationContextProvider implements ApplicationContextAware {
    private static ApplicationContext context;

    private ApplicationContextProvider(){}

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        context = applicationContext;
    }

    //获取applicationContext
    public static ApplicationContext getApplicationContext() {
        return context;
    }

    //通过name获取 Bean.
    public static Object getBean(String name){
        return getApplicationContext().getBean(name);
    }

    //通过class获取Bean.
    public static <T> T getBean(Class<T> clazz){
        return getApplicationContext().getBean(clazz);
    }

    //通过name,以及Clazz返回指定的Bean
    public static <T> T getBean(String name,Class<T> clazz){
        return getApplicationContext().getBean(name, clazz);
    }


}
